package cn.bdqn.layui.util;

import java.util.Random;

public class MD5 {
    //生成随机数
    public static int getRandomCode() {
        int max = 9999;
        int min = 1111;
        Random random = new Random();
        return random.nextInt(max) % (max - min + 1) + min;
    }
}
